diff --git a/fs/bcachefs/alloc_foreground.c b/fs/bcachefs/alloc_foreground.c
index c40a76df76b8..095bfe7c53bd 100644
--- a/fs/bcachefs/alloc_foreground.c
+++ b/fs/bcachefs/alloc_foreground.c
@@ -505,6 +505,7 @@ static noinline void trace_bucket_alloc2(struct bch_fs *c, struct bch_dev *ca,
  * @watermark:	how important is this allocation?
  * @data_type:	BCH_DATA_journal, btree, user...
  * @cl:		if not NULL, closure to be used to wait if buckets not available
+ * @nowait:	if true, do not wait for buckets to become available
  * @usage:	for secondarily also returning the current device usage
  *
  * Returns:	an open_bucket on success, or an ERR_PTR() on failure.